Ceiling sound box capable of adjusting sound diffusion angle

Abstract

The utility model relates to a ceiling sound box with an adjustable sound diffusion angle, which comprises a bottom shell in which a first sound box and a second sound box are arranged; the face shell is connected with the bottom shell, and a first sound outlet corresponding to the first sound box and a second sound outlet corresponding to the second sound box are formed in the face shell; and the diffusion mechanism comprises a guide port which is arranged corresponding to the first sound outlet and is used for guiding the sound diffusion direction of the first sound box, and a guide plate which is arranged corresponding to the second sound outlet and is used for guiding the sound diffusion direction, and the extension direction of the guide port intersects with the extension direction of the guide plate. According to the ceiling sound box capable of adjusting the sound diffusion angle provided by the utility model, when the ceiling sound box is installed, the guide plate corresponds to the sound diffusion angle according to the specified sound propagation direction, so that the sound can be effectively scattered and the energy can be uniformly diffused when being reflected.

Description

Technical Field

[0001] The utility model relates to the field of speakers, in particular to a ceiling speaker with adjustable sound diffusion angle. Background Art

[0002] Column speakers and surface-mounted speakers cannot blend into the environment, their directivity cannot be effectively controlled, and they are affected by the building acoustic environment, so the sound effects cannot be guaranteed. Utility Model Content

[0003] In order to solve the above problems, the present technical solution provides a ceiling speaker with adjustable sound diffusion angle.

[0004] To achieve the above purpose, the technical solution is as follows:

[0005] Ceiling speakers with adjustable sound diffusion angle, including

[0006] a bottom shell, in which a first speaker box and a second speaker box are arranged;

[0007] a top shell connected to the bottom shell and provided with a first sound outlet corresponding to the first speaker and a second sound outlet corresponding to the second speaker;

[0008] The diffusion mechanism includes a guide port corresponding to the first sound outlet and used to guide the sound diffusion direction of the first speaker, and a guide plate corresponding to the second sound outlet and used to guide the sound diffusion direction, and the extension direction of the guide port intersects with the extension direction of the guide plate.

[0009] In the ceiling speaker with adjustable sound diffusion angle as described above, the first sound outlet and the guide outlet are synchronously arranged to hang down downward, and the second sound outlet is arranged toward the guide outlet and perpendicular to the guide outlet.

[0010] In the ceiling speaker with adjustable sound diffusion angle as described above, the guide plate gradually tilts downward from the upper side close to the second sound outlet.

[0011] In the ceiling speaker with adjustable sound diffusion angle as described above, the guide plate is fan-shaped and curved in a conical shape so as to extend from the second sound outlet.

[0012] As described above, the ceiling speaker with adjustable sound diffusion angle has an acoustic filter arranged corresponding to the guide plate to form a guide cavity with the guide plate, and the acoustic filter is provided with a plurality of through holes connecting the guide cavity with the outside world.

[0013] In the ceiling speaker with adjustable sound diffusion angle as described above, the guide plate at least partially covers the guide opening.

[0014] As described above, the ceiling speaker with adjustable sound diffusion angle is provided with a lower plate and an upper plate on the surface shell, and the upper plate and the guide plate are respectively located on the upper and lower sides of the second speaker to jointly form the first sound outlet.

[0015] As described above, in the ceiling speaker with adjustable sound diffusion angle, the lower plate and the upper plate together form a sound outlet cavity, the sound outlet cavity is connected to the guide cavity, and the sound outlet cavity gradually narrows toward the middle toward the guide cavity.

[0016] As described above, in the ceiling speaker with adjustable sound diffusion angle, a narrow opening narrowing from left to right is formed between the lower plate and the upper plate.

[0017] In the ceiling speaker with adjustable sound diffusion angle as described above, the angular arc a of the guide plate is 120°, and the angle b between the guide plate and the plane where the first sound outlet is located is 15°.

[0018] The beneficial effects of this application are:

[0019] This utility model provides a ceiling speaker with adjustable sound diffusion angle. During installation, the guide plate is aligned with the desired sound propagation direction, ensuring effective scattering of reflected sound and even energy distribution. The bottom shell is embedded in the ceiling, and the top shell and ceiling are seamlessly integrated, making it truly invisible. This provides better directivity control, improves speech clarity and direct-to-mix ratio, and offers superior performance compared to traditional speakers. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments.

[0021] Figure 1 It is a bottom view of the utility model;

[0022] Figure 2 yes Figure 1 A partial half-section view of

[0023] Figure 3 yes Figure 1 Structural breakdown diagram. DETAILED DESCRIPTION

[0024] In order to make the technical problems, technical solutions and beneficial effects solved by the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0025] Ceiling speakers with adjustable sound diffusion angle, including

[0026] The bottom shell 1 has a first speaker box 13 and a second speaker box 12 disposed therein;

[0027] The surface shell 2 is connected to the bottom shell 1 and is provided with a first sound outlet 401 corresponding to the first speaker 13 and a second sound outlet 402 corresponding to the second speaker 12; the surface shell is provided with a panel, which can form a whole with the ceiling in visual effect.

[0028] The diffusion mechanism 4 includes a guide port 41 corresponding to the first sound outlet 401 and used to guide the sound diffusion direction of the first speaker 13, and a guide plate 42 corresponding to the second sound outlet 402 and used to guide the sound diffusion direction. The extension direction of the guide port 41 intersects with the extension direction of the guide plate 42.

[0029] This utility model provides a ceiling speaker with adjustable sound diffusion angle. During installation, the guide plate is aligned with the desired sound propagation direction, ensuring effective scattering of reflected sound and even energy distribution. The bottom shell is embedded in the ceiling, and the top shell and ceiling are seamlessly integrated, making it truly invisible. This provides better directivity control, improves speech clarity and direct-to-mix ratio, and offers superior performance compared to traditional speakers.

[0030] Furthermore, as a preferred embodiment of this solution but not a limitation, the first sound outlet 401 and the guide port 41 are synchronously arranged to be vertically downward, and the second sound outlet 402 is arranged toward the guide port 41 and perpendicular to the guide port 41. In this embodiment, the first speaker is a tweeter and the second speaker is a woofer. The direction of sound propagation is as follows: Figure 2 Indicated by the arrow.

[0031] Furthermore, as a preferred embodiment of this solution but not a limitation, the guide plate 42 is gradually inclined downward from the upper portion close to the second sound outlet 402 to facilitate guiding sound propagation.

[0032] Furthermore, as a preferred embodiment of the present solution but not a limitation, the guide plate 42 is fan-shaped and curved in a conical shape so as to extend from the second sound outlet 402 .

[0033] Furthermore, as a preferred embodiment of the present invention but not a limitation, an acoustic filter 43 is provided on the guide plate 42 corresponding thereto to form a guide cavity 44 with the guide plate 42, and a plurality of through holes 431 are provided on the acoustic filter 43 to connect the guide cavity 44 with the outside world.

[0034] Furthermore, as a preferred embodiment of this solution but not a limitation, the guide plate 42 at least partially covers the guide opening 41 .

[0035] Furthermore, as a preferred embodiment of the present invention but not a limitation, a lower plate 45 and an upper plate 46 are provided on the surface shell 2, and the upper plate 46 and the guide plate 42 are respectively located on the upper and lower sides of the second speaker 12 to jointly form the first sound outlet 401.

[0036] Furthermore, as a preferred embodiment of this solution but not a limitation, the lower plate 45 and the upper plate 46 together form a sound outlet cavity 47, which is connected to the guide cavity 44 and gradually narrows toward the center of the guide cavity 44. This can further concentrate the sound and reduce loss.

[0037] Furthermore, as a preferred embodiment of the present invention but not limiting, a narrow opening 48 narrowing from left to right is formed between the lower plate 45 and the upper plate 46 .

[0038] Furthermore, as a preferred embodiment of the present invention but not a limitation, the angular arc a of the guide plate 42 is 120°, and the included angle b between the guide plate 42 and the plane where the first sound outlet 401 is located is 15°.

[0039] The above description is only a preferred embodiment of the present application and is not intended to limit the scope of implementation of the present application. Other embodiments whose principles and basic structures are the same or similar to those of the present application are within the scope of protection of the present application.

Claims

1. Ceiling speakers with adjustable sound diffusion angle, characterized by: include A bottom shell (1) is provided with a first sound box (13) and a second sound box (12); a surface shell (2) connected to the bottom shell (1), and provided with a first sound outlet (401) corresponding to the first sound box (13), and a second sound outlet (402) corresponding to the second sound box (12); A diffusion mechanism (4) comprises a guide port (41) provided corresponding to the first sound outlet (401) and used for guiding the sound diffusion direction of the first speaker (13), and a guide plate (42) provided corresponding to the second sound outlet (402) and used for guiding the sound diffusion direction, wherein the extension direction of the guide port (41) intersects with the extension direction of the guide plate (42).

2. The ceiling speaker with adjustable sound diffusion angle according to claim 1, characterized in that: The first sound outlet (401) and the guide outlet (41) are synchronously arranged to hang downward, and the second sound outlet (402) is arranged toward the guide outlet (41) and perpendicular to the guide outlet (41).

3. The ceiling speaker with adjustable sound diffusion angle according to claim 1, characterized in that: The guide plate (42) is gradually inclined downward from the upper portion close to the second sound outlet (402).

4. The ceiling speaker with adjustable sound diffusion angle according to claim 1, characterized in that: The guide plate (42) is fan-shaped and curved in a conical shape so as to be extended from the second sound outlet (402).

5. The ceiling speaker with adjustable sound diffusion angle according to claim 1, characterized in that: An acoustic filter (43) is provided on the guide plate (42) corresponding thereto to form a guide cavity (44) with the guide plate (42). The acoustic filter (43) is provided with a plurality of through holes (431) connecting the guide cavity (44) with the outside world.

6. The ceiling speaker with adjustable sound diffusion angle according to claim 1, characterized in that: The guide plate (42) at least partially covers the guide opening (41).

7. The ceiling speaker with adjustable sound diffusion angle according to claim 5, characterized in that: The surface shell (2) is provided with a lower plate (45) and an upper plate (46), and the upper plate (46) and the guide plate (42) are respectively located on the upper and lower sides of the second sound box (12) to jointly form the first sound outlet (401).

8. The ceiling speaker with adjustable sound diffusion angle according to claim 7, characterized in that: The lower plate (45) and the upper plate (46) together form a sound-emitting cavity (47), the sound-emitting cavity (47) is communicated with the guide cavity (44), and the sound-emitting cavity (47) gradually narrows toward the middle in the direction of the guide cavity (44).

9. The ceiling speaker with adjustable sound diffusion angle according to claim 8, characterized in that: A narrow opening (48) narrowing from left to right is formed between the lower plate (45) and the upper plate (46).

10. The ceiling speaker with adjustable sound diffusion angle according to claim 1, characterized in that: The angular arc a of the guide plate (42) is 120°, and the included angle b between the guide plate (42) and the plane where the first sound outlet (401) is located is 15°.

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